Home / 18,190.22-27,249.21-14,015.75

Finding the Fourth Proportional to 18,190.22, 27,249.21 and 14,015.75

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Solution

The fourth proportional to 18,190.22, 27,249.21 and 14,015.75 is: 20,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.22 : 27,249.21 = 14,015.75 : x
  2. Step 2: Convert to fraction form
    18,190.22/27,249.21 = 14,015.75/x
  3. Step 3: Cross multiply
    18,190.22x = 27,249.21 × 14,015.75
  4. Step 4: Simplify right side
    18,190.22x = 381,917,978.81
  5. Step 5: Solve for x
    x = 381,917,978.81/18,190.22
  6. Step 6: Final answer
    x = 20,995.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.